تويتر \ coopertom على تويتر: "I found the culprit! A cracked optical encoder disc. This is why my Logitech g27 steering wheel is losing calibration http://t.co/Kvpyejyf3e"
1 pcs 60 Slot Steering Wheel Optical Encoder for Logitech G25 / G27 New 8U7Y - Walmart.com
30-slot Steering Wheel Optical Encoder For Logitech G27 (new) / Driving Force Gt (dfgt) Racing Car Games 304 Stainless Steel - Replacement Parts - AliExpress
BRASS OPTICAL ENCODER BY CM LASER SERVICE - www.cmlaserservice.com/index.html